Thurgood Marshall was a lawyer for the NAACP and he was the first black justice of the Supreme Court
Step-by-step explanation:
Thurgood Marshall played a major role in the civil rights movement. As an attorney, he changed the discriminatory laws in the united states and he was also the head of the legal arm of National Association for the Advancement of Colored People (NAACP) and he represented the cases of African Americans who faced intimidation due to the prevalence of Black codes and Jim Crow laws.
He also became popular while arguing the Brown Vs. Board of Education case and he won it. His arguments were so remarkable that it ended the racial segregation in all schools. he was the first African American lawyer who served as associate justice in US supreme court.